<template>
  <div class="login">

    <div class="loginForm">
      <div>
        <div class="login-wrapper">
          <img src="./../assets/images/logo.png" alt="logo" width="200px" />
          <div class="text-wrapper">
            <div class="t1">部队人员情报管理系统</div>
            <div class="t2">武警西藏总队</div>
          </div>
        </div>
        <div class="login-form">
          <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
            <h3 class="title">欢迎登录</h3>
            <el-form-item prop="username">
              <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
                @keyup.enter.native="handleLogin">
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <!-- <el-form-item prop="code" v-if="captchaEnabled">
              <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%"
                @keyup.enter.native="handleLogin">
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode" class="login-code-img" />
              </div>
            </el-form-item> -->
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
            <el-form-item style="width:100%;">
              <el-button :loading="loading" size="medium" type="primary" style="width:100%;"
                @click.native.prevent="handleLogin">
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <div style="float: right;" v-if="register">
                <router-link class="link-type" :to="'/register'">立即注册</router-link>
              </div>
            </el-form-item>
          </el-form>
        </div>
      </div>
    </div>

  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data () {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: false,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created () {
    //this.getCode();
    this.getCookie();
  },
  methods: {
    getCode () {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie () {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin () {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(() => { });
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}

.login-form {
  .title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 12px;
    text-align: center;
  }
}

.login {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;

  .loginForm {
    width: 100%;
    height: 350px;
    background: #fff;
    border-top: 4px solid #57c6ee;
    border-bottom: 4px solid #57c6ee;
    display: flex;
    justify-content: center;
    padding: 50px 0;

    >div {
      display: flex;
      justify-content: space-between;
      // width:70%;
    }
  }
}

.login-wrapper {
  border-right: 1px solid #DCDDDC;
  margin-right: 40px;
  padding: 0 40px 0 0;
  display: flex;
  align-items: center;

  img {
    width: 200px;
    height: 200px;
  }

}

.text-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  width: 300px;
  padding-bottom: 70px;

  .t1 {
    font-size: 28px;
    font-weight: bold;
    color:#000000;
  }

  .t2 {
    font-size: 18px;
    margin-top: 8px;
    color:#4a4a4a;
  }
}
</style>
